The NSW Rural Fire Service and Port Macquarie-Hastings Council are using reclaimed water to drown the peat fire with about 30 megalitres of water.

The fire has been burning since July 19 and a 2.5km pipeline was connected from the water treatment plant's Morton Street reservoir on September 3.

Port Macquarie-Hastings Council acting group manager of water and sewer, Terry Randall said the community is keen to see a positive result from the process.

"Certainly from a public water supply point of view we have been keen to see this used in the fire," he said.

"Reclaimed water has copped a bad rap in the past, but the reality is that the level of treatment is extremely high and it's fit for purpose. In terms of always being available it doesn't fluctuate."

Reclaimed water is drawn from treated wastewater ponds on Lake Road-Ocean Drive, council's website says.

It travels through a multi-stage process of disinfection by ultra-violet light, microfiltration, reverse osmosis, chlorine treatment and mineralisation.

The end result is odourless, free from viruses, bacteria and other pathogens which can then be stored separately to town drinking water supply.

After this point it is ready for distribution through a reticulation network to be used by commercial businesses.

Port Macquarie Car Wash owner and operator Dan McGrady said the car wash has been using reclaimed water for years because it is cheaper and environmentally friendly.

"We use reclaimed water for the car wash. It's about 99.9 per cent supplied by reclaimed water," he said.

"We treat it again when it gets here as part of the car wash process so there isn't any additional cost there. For us reclaimed water is half the cost of potable (drinkable) water.

"I've owned the car wash for seven years and the decision was made (to use reclaimed water) long before that. I think we were the first ones in town using it.

"We're an environmentally friendly car wash, all our products are bio-degradable and we just spent about $30,000 on solar panels for the roof because it's good for the environment and reducing costs."

The Port Macquarie Reclaimed Water Scheme is a dual reticulation design and not intended or approved for potable supply.

"It's a great resource, we look to the future and looking at the complete water cycle, is a really sensible idea," said Mr Randall.

"It's very highly treated and maintains the stringent NSW guidelines for recycled water.

"We've got a number of commercial users in the Port Macquarie central business district and various areas, and can be used for anything like toilet flushing, external use for watering gardens and sporting fields as well.

"I think (the fire at Lindfield Park) is a great test case for an additional use for reclaimed water.

"There are many instances of potable reuse around the world where its already happening.

"This is really an education piece that the water industry needs to be looking at for long term solutions."

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